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Exhibit 23
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Consent of Independent Certified Public Accountants
The Board of Directors
PathoGenesis Corporation
We consent to incorporation by reference in the registration statement (No. 333-
63679) on Form S-8 of PathoGenesis Corporation of our report dated June 19, 2000
relating to the statements of net assets available for benefits of PathoGenesis
Corporation 401(k) Profit Sharing Plan as of December 31, 1999 and 1998 and the
statement of changes in net assets available for benefits for the year ended
December 31, 1999, and the related supplementary schedule as of December 31,
1999, which report appears in the December 31, 1999 annual report on Form 11-K
of PathoGenesis Corporation 401(k) Profit Sharing Plan.
KPMG LLP
Seattle, Washington
June 23, 2000
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